458 SOCOM AMMO IN STOCK FOR SALE AND READY TO SHIP
Are you looking to purchase the 458 SOCOM Ammo online? Barrelammoshop.com is a reputable online place. You can have the .458 SOCOM for sale online, having our stock from top manufacturing firms with the best prices you can find on the market. The . 458 SOCOM (11.63×40mm) is a moderately large round designed to work in an AR-15 platform. This is achieved by installing a 458 bolt and barrel. The 300-grain (19 g) round offers a supersonic muzzle velocity of 1,900 ft/s (580 m/s) and 2,405 ft⋅lbf (3,261 J), similar to a light .
.458 SOCOM AMMO HISTORY
The 458 SOCOM (aka: 11.5x40mm RB) is a large caliber cartridge designed for use on the AR15/M4 platform. It was developed by Marty ter Weeme, founder of Teppo Jutsu LLC in 2000. The impetus was an informal (“beer and barbeque”) discussion with a senior member of the US special operations community regarding the apparent lack of effectiveness of the 5.56 x 45 rifle cartridge in a recent conflict. In particular, the reports from members of Task Force Ranger in Mogadishu, Somalia as part of Operation Gothic Serpent that multiple shots were required to neutralize members of the opposing force led to the request to develop a new cartridge that would deliver far more energy from short barrels at relatively short distances.
The project sponsor set forth a number of specific requirements namely that the cartridge had to fit in the M4 carbine and be capable of firing heavy-for-caliber projectiles at subsonic velocity using suppressors. During the development phase, various other cartridges were considered and proposed to the project sponsor, but rejected as not meeting all the requirements. The cartridges considered were 7.62×39mm, 9×39mm Grom, .45 Professional (which has since become the .450 Bushmaster), and .50 Action Express. At the time, the .499 LWR cartridge was still in the development phase and had not been chambered commercially.
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The 458 round was created to run in an M4 Carbine so nearly any M4 can run it but the upper will have to be specific for the 458 SOCOM.
The magazines and lowers are completely interchangeable with this cartridge.
The 300-grain (19 g) round offers a muzzle velocity of 1,900 ft/s. Currently more than a dozen rifle makers offer production firearms in this caliber. below are tje features of 458 socom ammunition
- Progressive nose geometry for deep, straight penetration
- CNC machined from solid copper to overcome barriers to penetration
- Radial flutes that force the hydraulic energy inward to build pressure
- A permanent wound cavity that is 2 to 4 times greater than flat or ball nose bullets
- 250gr bullets – 1900 FPS
- 300gr bullets – 1700 FPS
- 325gr bullets – 165 FPS
|Parent case||.50 Action Express|
|Case type||Rebated rim, bottleneck|
|Bullet diameter||11.63 mm (0.458 in)|
|Neck diameter||12.32 mm (0.485 in)|
|Shoulder diameter||13.49 mm (0.531 in)|
|Base diameter||13.74 mm (0.541 in)|
|Rim diameter||12.01 mm (0.473 in)|
|Rim thickness||1.04 mm (0.041 in)|
|Case length||40.00 mm (1.575 in)|
|Overall length||57.40 mm (2.260 in)|
|Rifling twist||1 in 14″ (most common) or 18″|
|Primer type||Large Pistol|
|Maximum pressure||35,000 psi (241 MPa)|
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458 SOCOM AMMO
SBR AMMUNITION 458 SOCOM 300 GRAIN HORNADY INTERLOCK JACKETED HOLLOW POINT 500 ROUNDS